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fix: update init_containers (#518) 

* fix: PATH expension in Makefile

Signed-off-by: Stephane Tang <hi@stang.sh>

* refact: pass list of containers to compareContainers()

Signed-off-by: Stephane Tang <hi@stang.sh>

* compare initContainers while comparing StatefulSet

  Fixes #517

Signed-off-by: Stephane Tang <hi@stang.sh>

* refact: compareContainers()

Signed-off-by: Stephane Tang <hi@stang.sh>
This commit is contained in:
Stephane T 2019-03-19 17:46:12 +01:00 committed by Felix Kunde
parent 5f6abfb797
commit edeb06d39c
2 changed files with 21 additions and 22 deletions
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2
Makefile
View File

@ -35,7 +35,7 @@ ifdef CDP_PULL_REQUEST_NUMBER
endif
PATH := $(GOPATH)/bin:$(PATH)
PATH := "$(GOPATH)/bin:$(PATH)"
SHELL := env PATH=$(PATH) $(SHELL)
default: local

41
pkg/cluster/cluster.go
View File

@ -317,14 +317,10 @@ func (c *Cluster) compareStatefulSetWith(statefulSet *v1beta1.StatefulSet) *comp
match = false
reasons = append(reasons, "new statefulset's annotations doesn't match the current one")
}
if len(c.Statefulset.Spec.Template.Spec.Containers) != len(statefulSet.Spec.Template.Spec.Containers) {
needsRollUpdate = true
reasons = append(reasons, "new statefulset's container specification doesn't match the current one")
} else {
var containerReasons []string
needsRollUpdate, containerReasons = c.compareContainers(c.Statefulset, statefulSet)
reasons = append(reasons, containerReasons...)
}
needsRollUpdate, reasons = c.compareContainers("initContainers", c.Statefulset.Spec.Template.Spec.InitContainers, statefulSet.Spec.Template.Spec.InitContainers, needsRollUpdate, reasons)
needsRollUpdate, reasons = c.compareContainers("containers", c.Statefulset.Spec.Template.Spec.Containers, statefulSet.Spec.Template.Spec.Containers, needsRollUpdate, reasons)
if len(c.Statefulset.Spec.Template.Spec.Containers) == 0 {
c.logger.Warningf("statefulset %q has no container", util.NameFromMeta(c.Statefulset.ObjectMeta))
return &compareStatefulsetResult{}
@ -415,34 +411,37 @@ func newCheck(msg string, cond containerCondition) containerCheck {
return containerCheck{reason: msg, condition: cond}
}
// compareContainers: compare containers from two stateful sets
// compareContainers: compare two list of Containers
// and return:
// * whether or not a rolling update is needed
// * a list of reasons in a human readable format
func (c *Cluster) compareContainers(setA, setB *v1beta1.StatefulSet) (bool, []string) {
reasons := make([]string, 0)
needsRollUpdate := false
func (c *Cluster) compareContainers(description string, setA, setB []v1.Container, needsRollUpdate bool, reasons []string) (bool, []string) {
if len(setA) != len(setB) {
return true, append(reasons, fmt.Sprintf("new statefulset %s's length does not match the current ones", description))
}
checks := []containerCheck{
newCheck("new statefulset's container %s (index %d) name doesn't match the current one",
newCheck("new statefulset %s's %s (index %d) name doesn't match the current one",
func(a, b v1.Container) bool { return a.Name != b.Name }),
newCheck("new statefulset's container %s (index %d) image doesn't match the current one",
newCheck("new statefulset %s's %s (index %d) image doesn't match the current one",
func(a, b v1.Container) bool { return a.Image != b.Image }),
newCheck("new statefulset's container %s (index %d) ports don't match the current one",
newCheck("new statefulset %s's %s (index %d) ports don't match the current one",
func(a, b v1.Container) bool { return !reflect.DeepEqual(a.Ports, b.Ports) }),
newCheck("new statefulset's container %s (index %d) resources don't match the current ones",
newCheck("new statefulset %s's %s (index %d) resources don't match the current ones",
func(a, b v1.Container) bool { return !compareResources(&a.Resources, &b.Resources) }),
newCheck("new statefulset's container %s (index %d) environment doesn't match the current one",
newCheck("new statefulset %s's %s (index %d) environment doesn't match the current one",
func(a, b v1.Container) bool { return !reflect.DeepEqual(a.Env, b.Env) }),
newCheck("new statefulset's container %s (index %d) environment sources don't match the current one",
newCheck("new statefulset %s's %s (index %d) environment sources don't match the current one",
func(a, b v1.Container) bool { return !reflect.DeepEqual(a.EnvFrom, b.EnvFrom) }),
}
for index, containerA := range setA.Spec.Template.Spec.Containers {
containerB := setB.Spec.Template.Spec.Containers[index]
for index, containerA := range setA {
containerB := setB[index]
for _, check := range checks {
if check.condition(containerA, containerB) {
needsRollUpdate = true
reasons = append(reasons, fmt.Sprintf(check.reason, containerA.Name, index))
reasons = append(reasons, fmt.Sprintf(check.reason, description, containerA.Name, index))
}
}
}